simulateAndroidBackButton function

Future<void> simulateAndroidBackButton(
  1. WidgetTester tester
)

Source: https://github.com/flutter/packages/blob/010ba5012831a4e02349e31965a0b080d7b44280/packages/go_router/test/test_helpers.dart#L283-L288

Implementation

Future<void> simulateAndroidBackButton(WidgetTester tester) async {
  final ByteData message =
      const JSONMethodCodec().encodeMethodCall(const MethodCall('popRoute'));
  await tester.binding.defaultBinaryMessenger
      .handlePlatformMessage('flutter/navigation', message, (_) {});
  await tester.pumpAndSettle();
}